title: Dietary methionine requirement of the Chinese egg-laying duck.
mesh_terms: D000596:Amino Acids / Q000097:blood; D000821:Animal Feed; D000818:Animals; D002681:China; D004032:Diet; D004044:Dietary Proteins; D004372:Ducks / Q000502:physiology*; D002149:Energy Intake; D005260:Female; D008460:Meat; D008715:Methionine / Q000008:administration & dosage / Q000494:pharmacology*; D009752:Nutritional Status; D010058:Oviposition / Q000187:drug effects*
chemical_list: D000596:Amino Acids; D004044:Dietary Proteins; D008715:Methionine